Nat'l Opin Res Council, U of Chi - secularz'n prop'l to wealth, but very zig-zagged patterns in Europe (pre-Comm Prot's more likely to be atheist than RC/EO?)
book by Paul F. Knitter, "Without Buddha I Could Not Be a Christian" - journey of a Catholic theologian (former priest), with dedication thanking atheist brother for "helping to keep me honest."